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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 4.iso
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src
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haeberli
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libgutil
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tl.c
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C/C++ Source or Header
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1994-08-01
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63 lines
/*
* Copyright 1992, 1993, 1994, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
/*
* tl -
* tri list file io stuff follows
*
*
*/
#include "stdio.h"
#include "trilist.h"
static FILE *inf;
tlopen(name)
char *name;
{
int nbytes, ntri;
short magic;
trilisttri tri;
inf = fopen(name,"r");
if(!inf) {
fprintf(stderr, "tldraw: can't read %s\n",name);
exit(1);
}
fread(&magic,sizeof(short),1,inf);
if(magic != TLMAGIC) {
fprintf(stderr, "tldraw: bad magic in input file\n");
exit(1);
}
nbytes = sizeoffile(inf);
nbytes -= sizeof(short);
if( (nbytes % sizeof(trilisttri)) != 0)
fprintf(stderr, "tldraw: strange file length!!\n");
ntri = nbytes / sizeof(trilisttri);
return ntri;
}
tlread(tri)
trilisttri *tri;
{
fread(tri,sizeof(trilisttri),1,inf);
}
tlclose()
{
fclose(inf);
}